Archived posting to the Leica Users Group, 2016/02/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks John. I was thinking gelatin perhaps... On Sun, Feb 28, 2016 at 10:58 AM, John McMaster <john at mcmaster.fr> wrote: > If you want to cover the 21mm Summilux then I think 4x4 filters are the > only way, not enough choice in Series VII (I have UV and ND 0.9)..... > > john > > -----Original Message----- > > I am hoping to get some guidance from the astronomy experts here. A little > research shows that by using what are called "LRGB" (Luminance, red, green, > and blue) filters with monochromatic sensors, one can combine the images > taken with these filters to come up with astrophotos with very true color. > > Does anyone know where to get these special filters (they are not > associated with visible color, but more wavelength transmission). I would > either need Series VII (for the 21/1,4) and E46 for the 35/1,4 or 4x4 > filters for a Lee holder (which I would somehow need to fit to my Leica > (Seven5 filters would be great, but probably impossible to find). > > Any leads or experience would be greatly appreciated. > Thanks, > Bob > -- > Bob Adler > www.robertadlerphotography.com > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Bob Adler www.robertadlerphotography.com